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Finding the Fourth Proportional to 269,501.90, 404,252.85 and 91,982.30

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Solution

The fourth proportional to 269,501.90, 404,252.85 and 91,982.30 is: 137,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,501.90 : 404,252.85 = 91,982.30 : x
  2. Step 2: Convert to fraction form
    269,501.90/404,252.85 = 91,982.30/x
  3. Step 3: Cross multiply
    269,501.90x = 404,252.85 × 91,982.30
  4. Step 4: Simplify right side
    269,501.90x = 37,184,106,924.56
  5. Step 5: Solve for x
    x = 37,184,106,924.56/269,501.90
  6. Step 6: Final answer
    x = 137,973.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.